local keys1 = KEYS[1]
local limit = tonumber(ARGV[1])
local millisecond = ARGV[2]
--当前并发数
local current = tonumber(redis.call("incr", keys1))
if current == 1 then
    redis.call("pexpire", keys1, millisecond)
end
if current > limit then
    return true
else
    return false
end
